{# SEO Meta Tags Partial #}

{# Get page-specific description or fall back to site description #}
{% set page_description = page.meta.description if page.meta and page.meta.description else config.site_description %}

{# Get page title #}
{% set page_title = page.title if page.title else config.site_name %}
{% set full_title = page_title + " - " + config.site_name if page_title != config.site_name else config.site_name %}

{# Get page URL #}
{% set page_url = config.site_url + page.url if page.url else config.site_url %}

{# Open Graph / Facebook - og:image is handled by MkDocs Material social plugin #}
<meta property="og:type" content="website">
<meta property="og:url" content="{{ page_url }}">
<meta property="og:title" content="{{ full_title }}">
<meta property="og:description" content="{{ page_description }}">
<meta property="og:site_name" content="{{ config.site_name }}">
{% if config.site_author %}
<meta property="og:locale" content="en_US">
{% endif %}

{# Twitter Card - twitter:image is handled by MkDocs Material social plugin #}
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:url" content="{{ page_url }}">
<meta name="twitter:title" content="{{ full_title }}">
<meta name="twitter:description" content="{{ page_description }}">
{% if config.extra.social %}
  {% for social in config.extra.social %}
    {% if "twitter" in social.link %}
      <meta name="twitter:site" content="@{{ social.link.split('/')[-1] }}">
    {% endif %}
  {% endfor %}
{% endif %}

{# Additional SEO meta tags #}
{% if page.meta and page.meta.keywords %}
<meta name="keywords" content="{{ page.meta.keywords | join(', ') }}">
{% endif %}

{# JSON-LD Structured Data #}
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "{% if page.meta and page.meta.schema_type %}{{ page.meta.schema_type }}{% else %}WebPage{% endif %}",
  "name": "{{ full_title }}",
  "description": "{{ page_description }}",
  "url": "{{ page_url }}",
  "inLanguage": "{{ config.theme.language }}",
  "isPartOf": {
    "@type": "WebSite",
    "name": "{{ config.site_name }}",
    "url": "{{ config.site_url }}"
  }{% if config.site_author %},
  "publisher": {
    "@type": "Organization",
    "name": "{{ config.site_author }}",
    "url": "{{ config.site_url }}"
  }{% endif %}{% if page.meta and page.meta.authors %},
  "author": [
    {% for author in page.meta.authors %}
    {
      "@type": "Person",
      "name": "{{ author }}"
    }{% if not loop.last %},{% endif %}
    {% endfor %}
  ]{% endif %}{% if page.meta and page.meta.date_published %},
  "datePublished": "{{ page.meta.date_published }}"{% endif %}{% if page.meta and page.meta.date_modified %},
  "dateModified": "{{ page.meta.date_modified }}"{% elif page.meta and page.meta.git_revision_date_localized %},
  "dateModified": "{{ page.meta.git_revision_date_localized }}"{% endif %},
  "mainEntity": {
    "@type": "Article",
    "headline": "{{ page_title }}",
    "description": "{{ page_description }}"
  }
}
</script>